Analysis

  • max time kernel
    151s
  • max time network
    168s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-10-2022 23:09

General

  • Target

    3b132272fb572796f70c1d34719d2e9e2f9e16f1dc02274716ca62fd705160ab.exe

  • Size

    639KB

  • MD5

    009872fe86f55ab2f3bcebf4d081dd80

  • SHA1

    cf88738f8659153105c1902af9de9c6b5f5aadc9

  • SHA256

    3b132272fb572796f70c1d34719d2e9e2f9e16f1dc02274716ca62fd705160ab

  • SHA512

    76781a64d2fe12570c55b3eb022f94fb2aca800fa553089c3741ed7ed517718d7bd8f92edf88b667447d0ac001f20462849cf22ca0d4d878611bb63c5122ea8b

  • SSDEEP

    12288:khkDgouVA2nxKkorvdRgQriDwOIxmxiZnYQE7PJcE4aq+g:8RmJkcoQricOIQxiZY1iaqh

Score
5/10

Malware Config

Signatures

  • Detected potential entity reuse from brand microsoft.
  • Suspicious use of SetThreadContext ⋅ 1 IoCs
  • Enumerates physical storage devices ⋅ 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Enumerates system info in registry ⋅ 2 TTPs 3 IoCs
  • Modifies registry class ⋅ 1 IoCs
  • Suspicious behavior: EnumeratesProcesses ⋅ 4 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary ⋅ 7 IoCs
  • Suspicious use of FindShellTrayWindow ⋅ 2 IoCs
  • Suspicious use of WriteProcessMemory ⋅ 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3b132272fb572796f70c1d34719d2e9e2f9e16f1dc02274716ca62fd705160ab.exe
    "C:\Users\Admin\AppData\Local\Temp\3b132272fb572796f70c1d34719d2e9e2f9e16f1dc02274716ca62fd705160ab.exe"
    Suspicious use of SetThreadContext
    Suspicious use of WriteProcessMemory
    PID:1408
    • C:\Users\Admin\AppData\Local\Temp\3b132272fb572796f70c1d34719d2e9e2f9e16f1dc02274716ca62fd705160ab.exe
      "C:\Users\Admin\AppData\Local\Temp\3b132272fb572796f70c1d34719d2e9e2f9e16f1dc02274716ca62fd705160ab.exe"
      Suspicious use of WriteProcessMemory
      PID:2056
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://go.microsoft.com/fwlink/?prd=11324&pver=4.5&sbp=AppLaunch2&plcid=0x409&o1=SHIM_NOVERSION_FOUND&version=(null)&processName=3b132272fb572796f70c1d34719d2e9e2f9e16f1dc02274716ca62fd705160ab.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
        Enumerates system info in registry
        Modifies registry class
        Suspicious behavior: EnumeratesProcesses
        Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
        Suspicious use of FindShellTrayWindow
        Suspicious use of WriteProcessMemory
        PID:2144
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffc275e46f8,0x7ffc275e4708,0x7ffc275e4718
          PID:4076
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2116,9333950755470128790,12595599735732375052,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2172 /prefetch:2
          PID:3080
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2116,9333950755470128790,12595599735732375052,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2228 /prefetch:3
          Suspicious behavior: EnumeratesProcesses
          PID:3588
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2116,9333950755470128790,12595599735732375052,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2736 /prefetch:8
          PID:1480
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,9333950755470128790,12595599735732375052,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3856 /prefetch:1
          PID:4984
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,9333950755470128790,12595599735732375052,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3872 /prefetch:1
          PID:2656
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,9333950755470128790,12595599735732375052,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4472 /prefetch:1
          PID:2864
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=2116,9333950755470128790,12595599735732375052,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5184 /prefetch:8
          PID:4364
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,9333950755470128790,12595599735732375052,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5392 /prefetch:1
          PID:4116
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,9333950755470128790,12595599735732375052,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4580 /prefetch:1
          PID:1292
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=2116,9333950755470128790,12595599735732375052,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5980 /prefetch:8
          PID:3472
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,9333950755470128790,12595599735732375052,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6620 /prefetch:1
          PID:4936
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,9333950755470128790,12595599735732375052,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4256 /prefetch:1
          PID:1368
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2116,9333950755470128790,12595599735732375052,131072 --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=5140 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAQAAAAAAAAAAAAAAAAAABgAAAEAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=6536 /prefetch:2
          PID:2328
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://go.microsoft.com/fwlink/?prd=11324&pver=4.5&sbp=AppLaunch2&plcid=0x409&o1=SHIM_NOVERSION_FOUND&version=(null)&processName=3b132272fb572796f70c1d34719d2e9e2f9e16f1dc02274716ca62fd705160ab.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
        PID:1620
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x100,0x104,0x108,0xdc,0x10c,0x7ffc275e46f8,0x7ffc275e4708,0x7ffc275e4718
          PID:4172
  • C:\Windows\System32\CompPkgSrv.exe
    C:\Windows\System32\CompPkgSrv.exe -Embedding
    PID:2628

Network

MITRE ATT&CK Matrix

Collection

    Command and Control

      Credential Access

        Defense Evasion

          Execution

            Exfiltration

              Impact

                Initial Access

                  Lateral Movement

                    Persistence

                      Privilege Escalation

                        Replay Monitor

                        00:00 00:00

                        Downloads

                        • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                          MD5

                          7b4b103831d353776ed8bfcc7676f9df

                          SHA1

                          40f33a3f791fda49a35224a469cc67b94ca53a23

                          SHA256

                          bf59580e4d4a781622abb3d43674dedc8d618d6c6da09e7d85d920cd9cea4e85

                          SHA512

                          5cb3360ac602d18425bdb977be3c9ee8bbe815815278a8848488ba9097e849b7d67f993b4795216e0c168cdc9c9260de504cccb305ff808da63762c2209e532f

                        • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                          MD5

                          d41d8cd98f00b204e9800998ecf8427e

                          SHA1

                          da39a3ee5e6b4b0d3255bfef95601890afd80709

                          SHA256

                          e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                          SHA512

                          cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                        • \??\pipe\LOCAL\crashpad_2144_NTKJZHCNEYGNNZDA
                          MD5

                          d41d8cd98f00b204e9800998ecf8427e

                          SHA1

                          da39a3ee5e6b4b0d3255bfef95601890afd80709

                          SHA256

                          e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                          SHA512

                          cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                        • memory/1292-157-0x0000000000000000-mapping.dmp
                        • memory/1368-163-0x0000000000000000-mapping.dmp
                        • memory/1480-141-0x0000000000000000-mapping.dmp
                        • memory/1620-142-0x0000000000000000-mapping.dmp
                        • memory/2056-132-0x0000000000000000-mapping.dmp
                        • memory/2056-133-0x0000000000400000-0x000000000040C000-memory.dmp
                        • memory/2144-134-0x0000000000000000-mapping.dmp
                        • memory/2328-164-0x0000000000000000-mapping.dmp
                        • memory/2656-149-0x0000000000000000-mapping.dmp
                        • memory/2864-151-0x0000000000000000-mapping.dmp
                        • memory/3080-137-0x0000000000000000-mapping.dmp
                        • memory/3472-159-0x0000000000000000-mapping.dmp
                        • memory/3588-138-0x0000000000000000-mapping.dmp
                        • memory/4076-135-0x0000000000000000-mapping.dmp
                        • memory/4116-155-0x0000000000000000-mapping.dmp
                        • memory/4172-143-0x0000000000000000-mapping.dmp
                        • memory/4364-153-0x0000000000000000-mapping.dmp
                        • memory/4936-161-0x0000000000000000-mapping.dmp
                        • memory/4984-147-0x0000000000000000-mapping.dmp